added hotdrop replacement for django native get_user_model instead of…

… outdated User

demo/management/commands/bootstrap_river_admin_demo.py

@@ -1,6 +1,11 @@
 import random
 
-from django.contrib.auth.models import Group, User, Permission
+from django.contrib.auth.models import Group, Permission
+
+#custom user support patch
+from django.contrib.auth import get_user_model
+User = get_user_model()
+
 from django.contrib.contenttypes.models import ContentType
 from django.core.management.base import BaseCommand
 from django.db import transaction

examples/issue_tracker_example/models.py

@@ -1,4 +1,9 @@
-from django.contrib.auth.models import User
+
+#Custom user model support replacement
+# from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
+User = get_user_model()
+
 from django.db import models
 from django.db.models import SET_NULL
 from river.models.fields.state import StateField

river_admin/views/serializers.py

@@ -1,9 +1,13 @@
-from django.contrib.auth.models import Permission, Group, User
+from django.contrib.auth.models import Permission, Group
 from django.contrib.contenttypes.models import ContentType
 from rest_framework import serializers
 from river.models import Function, OnApprovedHook, State, TransitionApprovalMeta, \
     OnTransitHook, TransitionMeta, Transition, Workflow, TransitionApproval, DONE, CANCELLED
 
+# Custom Usermodel support patch
+from django.contrib.auth import get_user_model
+User = get_user_model()
+
 from river.models.hook import AFTER, BEFORE